/* *
 * @Name: layui.grid 表格/树形表格
 * @Author: Brant Liu
 * @Email: lbf1988@qq.com
 * */
layui.define(['laytpl', 'laypage', 'layer', 'form', 'cookie'], function(exports){
	"use strict";
	
	var $ = layui.$
	,laytpl = layui.laytpl
	,laypage = layui.laypage
	,layer = layui.layer
	,form = layui.form
	,hint = layui.hint()
	,device = layui.device()
	
	//外部接口
	,table = {
		config:{
			checkName: 'LAY_CHECKED' //是否选中状态的字段名
			,indexName: 'LAY_TABLE_INDEX' //下标索引名
			,treeElement: undefined
			,treeSwitch:false
			,tree:{
				root:undefined
				,treeId:"id"
				,treeOrder:"id"
				,treeLevel:"level"
				,parentId:"parentId"
				,initialState: 'expanded'
		        ,saveState: false
		        ,saveStateMethod: 'cookie'
		        ,saveStateName: 'tree-grid-state'
		        ,expanderTemplate: '<span class="treegrid-expander"></span>'
		        ,indentTemplate: '<span class="treegrid-indent"></span>'
		        ,expanderExpandedClass: 'treegrid-expander-expanded'
		        ,expanderCollapsedClass: 'treegrid-expander-collapsed'
		        ,treeColumn: 0
		        //Events
		        ,onCollapse: null
		        ,onExpand: null
		        ,onChange: null
			}
		}
		,cache:{}//数据缓存
		,index: layui.table ? (layui.table.index + 10000) : 0
		
		//设置全局项
		,set: function(options){
			var that = this;
			that.config = $.extend({}, that.config, options);
			return that;
		}
		
		//事件监听
		,on: function(events, callback){
			return layui.onevent.call(this, MOD_NAME, events, callback);
		}
	}
	
	//操作当前实例
	,thisTable = function(){
		var that = this
			,options = that.config
			,id = options.id;
		
		id && (thisTable.config[id] = options);
		
		return {
			reload: function(options){
				that.reload.call(that, options);
			},
			tree:{
				expandAll: function(){
					that.expandAll.apply(that);
				},
				collapseAll:function(){
					that.collapseAll.apply(that);
				}
			}
		}
	}
	
	,MOD_NAME = 'grid', ELEM = '.layui-table', THIS = 'layui-this', SHOW = 'layui-show', HIDE = 'layui-hide', DISABLED = 'layui-disabled', NONE = 'layui-none'
	
	,ELEM_VIEW = 'layui-table-view', ELEM_HEADER = '.layui-table-header', ELEM_BODY = '.layui-table-body', ELEM_MAIN = '.layui-table-main'
	,ELEM_FIXED = '.layui-table-fixed', ELEM_FIXL = '.layui-table-fixed-l', ELEM_FIXR = '.layui-table-fixed-r', ELEM_TOOL = '.layui-table-tool'
	,ELEM_PAGE = '.layui-table-page', ELEM_SORT = '.layui-table-sort', ELEM_EDIT = 'layui-table-edit', ELEM_HOVER = 'layui-table-hover'
	
	//thead区域模板
	,TPL_HEADER = function(options){
		var rowCols = '{{#if(item2.colspan){}} colspan="{{item2.colspan}}"{{#} if(item2.rowspan){}} rowspan="{{item2.rowspan}}"{{#}}}';
		
		options = options || {};
		return ['<table cellspacing="0" cellpadding="0" border="0" class="layui-table" '
	      ,'{{# if(d.data.skin){ }}lay-skin="{{d.data.skin}}"{{# } }} {{# if(d.data.size){ }}lay-size="{{d.data.size}}"{{# } }} {{# if(d.data.even){ }}lay-even{{# } }}>'
	      ,'<thead>'
	      ,'{{# layui.each(d.data.cols, function(i1, item1){ }}'
	        ,'<tr>'
	        ,'{{# layui.each(item1, function(i2, item2){ }}'
	          ,'{{# if(item2.fixed && item2.fixed !== "right"){ left = true; } }}'
	          ,'{{# if(item2.fixed === "right"){ right = true; } }}'
	          ,function(){
	            if(options.fixed && options.fixed !== 'right'){
	              return '{{# if(item2.fixed && item2.fixed !== "right"){ }}';
	            }
	            if(options.fixed === 'right'){
	              return '{{# if(item2.fixed === "right"){ }}';
	            }
	            return '';
	          }()
	          ,'<th data-field="{{ item2.field||i2 }}" {{# if(item2.minWidth){ }}data-minwidth="{{item2.minWidth}}"{{# } }} '+ rowCols +' {{# if(item2.unresize){ }}data-unresize="true"{{# } }}>'
	            ,'<div class="layui-table-cell laytable-cell-'
	              ,'{{# if(item2.colspan > 1){ }}'
	                ,'group'
	              ,'{{# } else { }}'
	                ,'{{d.index}}-{{item2.field || i2}}'
	                ,'{{# if(item2.type !== "normal"){ }}'
	                  ,' laytable-cell-{{ item2.type }}'
	                ,'{{# } }}'
	              ,'{{# } }}'
	            ,'" {{#if(item2.align){}}align="{{item2.align}}"{{#}}}>'
	              ,'{{# if(item2.type === "checkbox"){ }}' //复选框
	                ,'<input type="checkbox" name="layTableCheckbox" lay-skin="primary" lay-filter="layTableAllChoose" {{# if(item2[d.data.checkName]){ }}checked{{# }; }}>'
	              ,'{{# } else { }}'
	                ,'<span>{{item2.title||""}}</span>'
	                ,'{{# if(!(item2.colspan > 1) && item2.sort){ }}'
	                  ,'<span class="layui-table-sort layui-inline"><i class="layui-edge layui-table-sort-asc"></i><i class="layui-edge layui-table-sort-desc"></i></span>'
	                ,'{{# } }}'
	                ,'{{# if(item2.edit && (item2.edit == "text")){ }}'
	                ,'<span class="layui-inline"><i class="iten-icon iten-edit"></i></span>'
	                ,'{{# } }}'
	              ,'{{# } }}'
	            ,'</div>'
	          ,'</th>'
	          ,(options.fixed ? '{{# }; }}' : '')
	        ,'{{# }); }}'
	        ,'</tr>'
	      ,'{{# }); }}'
	      ,'</thead>'
	    ,'</table>'].join('');
	}
	
	//tbody区域模板
	,TPL_BODY = ['<table cellspacing="0" cellpadding="0" border="0" class="layui-table" '
		,'{{# if(d.data.skin){ }}lay-skin="{{d.data.skin}}"{{# } }} {{# if(d.data.size){ }}lay-size="{{d.data.size}}"{{# } }} {{# if(d.data.even){ }}lay-even{{# } }}>'
		,'<tbody></tbody>'
	,'</table>'].join('')
	
	//主模板
	,TPL_MAIN = ['<div class="layui-form layui-border-box {{d.VIEW_CLASS}}" lay-filter="LAY-table-{{d.index}}" style="{{# if(d.data.width){ }}width:{{d.data.width}}px;{{# } }} {{# if(d.data.height){ }}height:{{d.data.height}}px;{{# } }}">'

	    ,'{{# if(d.data.toolbar){ }}'
	    ,'<div class="layui-table-tool"></div>'
	    ,'{{# } }}'
	    
	    ,'<div class="layui-table-box">'
	      ,'{{# var left, right; }}'
	      ,'<div class="layui-table-header">'
	        ,TPL_HEADER()
	      ,'</div>'
	      ,'<div class="layui-table-body layui-table-main">'
	        ,TPL_BODY
	      ,'</div>'
	      
	      ,'{{# if(left){ }}'
	      ,'<div class="layui-table-fixed layui-table-fixed-l">'
	        ,'<div class="layui-table-header">'
	          ,TPL_HEADER({fixed: true}) 
	        ,'</div>'
	        ,'<div class="layui-table-body">'
	          ,TPL_BODY
	        ,'</div>'      
	      ,'</div>'
	      ,'{{# }; }}'
	      
	      ,'{{# if(right){ }}'
	      ,'<div class="layui-table-fixed layui-table-fixed-r">'
	        ,'<div class="layui-table-header">'
	          ,TPL_HEADER({fixed: 'right'})
	          ,'<div class="layui-table-mend"></div>'
	        ,'</div>'
	        ,'<div class="layui-table-body">'
	          ,TPL_BODY
	        ,'</div>'
	      ,'</div>'
	      ,'{{# }; }}'
	    ,'</div>'
	    
	    ,'{{# if(d.data.page){ }}'
	    ,'<div class="layui-table-page">'
	      ,'<div id="layui-table-page{{d.index}}"></div>'
	    ,'</div>'
	    ,'{{# } }}'
	    
	    ,'<style>'
	    ,'{{# layui.each(d.data.cols, function(i1, item1){'
	      ,'layui.each(item1, function(i2, item2){ }}'
	        ,'.laytable-cell-{{d.index}}-{{item2.field||i2}}{ '
	        ,'{{# if(item2.width){ }}'
	          ,'width: {{item2.width}}px;'
	        ,'{{# } }}'
	        ,' }'
	      ,'{{# });'
	    ,'}); }}'
	    ,'</style>'
	,'</div>'].join('')
	
	,_WIN = $(window)
	,_DOC = $(document)
	
	//构造器
	,Class = function(options){
		var that = this;
		that.index = ++table.index;
		that.config = $.extend(true, that.config, table.config, options);
		that.render();
	};
	
	//默认配置
	Class.prototype.config = {
		limit: 10 //每页显示的数量
		,loading: true //请求数据时，是否显示loading
		,cellMinWidth: 60 //所有单元格默认最小宽度
	};
	
	//表格渲染
	Class.prototype.render = function(){		
		var that = this
			,options = that.config;
		
		options.elem = $(options.elem);
		options.where = options.where || {};
		options.id = options.id || options.elem.attr('id');
		
		//请求参数的自定义格式
		options.request = $.extend({
			pageName: 'page'
			,limitName: 'limit'
		}, options.request);
		
		//响应数据的自定义格式
		options.response = $.extend({
			statusName: 'code'
			,statusCode: 0
			,msgName: 'msg'
			,dataName: 'data'
			,countName: 'count'
		}, options.response);
		
		//如果 page 传入 laypage 对象
		if(typeof options.page === 'object'){
			options.limit = options.page.limit || options.limit;
			options.limits = options.page.limits || options.limits;
			that.page = options.page.curr = options.page.curr || 1;
			delete options.page.elem;
			delete options.page.jump;
		}
		
		if(!options.elem[0]) return that;
		
		//动态分配列宽高
		that.setArea();
		
		//开始插入替代元素
		var othis = options.elem
			,hasRender = othis.next('.' + ELEM_VIEW)
			
			//主容器
			,reElem = that.elem = $(laytpl(TPL_MAIN).render({
				VIEW_CLASS: ELEM_VIEW
				,data: options
				,index: that.index //索引
			}));
			
		options.index = that.index;
		
		//生成替代元素
		hasRender[0] && hasRender.remove(); //如果已经渲染，则Rerender
		othis.after(reElem);
		
		//各级容器
		that.layHeader = reElem.find(ELEM_HEADER);
		that.layMain = reElem.find(ELEM_MAIN);
		that.layBody = reElem.find(ELEM_BODY);
		that.layFixed = reElem.find(ELEM_FIXED);
		that.layFixLeft = reElem.find(ELEM_FIXL);
		that.layFixRight = reElem.find(ELEM_FIXR);
		that.layTool = reElem.find(ELEM_TOOL);
		that.layPage = reElem.find(ELEM_PAGE);
		
		that.layTool.html(
			laytpl($(options.toolbar).html()||'').render(options)
		);
		
		if(options.height) 
			that.fullSize(); //设置body区域高度
		
		//如果多级表头，则填补表头高度
		if(options.cols.length > 1){
			var th = that.layFixed.find(ELEM_HEADER).find('th');
			th.height(that.layHeader.height() - 1 - parseFloat(th.css('padding-top')) - parseFloat(th.css('padding-bottom')));
		}
		
		//请求数据
		that.pullData(that.page);
		that.events();
	};
	
	//根据列类型，定制化参数
	Class.prototype.initOpts = function(item){
		var that = this
			,options = that.config
			,initWidth = {
				checkbox: 48
				,space: 15
				,numbers: 40
			};
		//让 type 参数兼容旧版本
		if(item.checkbox) item.type = "checkbox";
		if(item.space) item.type = "space";
		if(!item.type) item.type = "normal";
		
		if(item.type !== "normal"){
			item.unresize = true;
			item.width = item.width || initWidth[item.type];
		}
	};
	
	//动态分配列宽高
	Class.prototype.setArea = function(){
		var that = this
			,options = that.config
			,colNums = 0 //列个数
			,autoColNums = 0 //自动列宽的列个数
			,autoWidth = 0 //自动列分配的宽度
			,countWidth = 0 //所有列总宽度和
			,cntrWidth = options.width || function(){
				//如果父元素宽度为0（一般为隐藏元素），则继续查找上层元素，直到找到真实宽度为止
				var getWidth = function(parent){
					var width, isNone;
					parent = parent || options.elem.parent();
					width = parent.width();
					
					try{
						isNone = parent.css('display') === 'none';
					}catch(e){}
					
					if(parent[0] && (!width || isNone)) 
						return getWidth(parent.parent());
        			return width;
				};
				return getWidth();
			}();
		
		//统计列个数
		that.eachCols(function(){
			colNums++;
		});
		
		//减去边框差
		cntrWidth = cntrWidth - function(){
			return (options.skin === 'line' || options.skin === 'nob') ? 2 : colNums + 1;
		}();
		
		//遍历所有列
		layui.each(options.cols, function(i1, item1){
			layui.each(item1, function(i2, item2){
				var width;
				if(!item2){
					item1.splice(i2, 1);
					return;
				}
				
				that.initOpts(item2);
				width = item2.width || 0;
				
				if(item2.colspan > 1) return;
				
				if(/\d+%$/.test(width)){
					item2.width = width = Math.floor((parseFloat(width) / 100) * cntrWidth);
				} else if(!width){ //列宽未填写
					item2.width = width = 0;
					autoColNums++;
				}
				
				countWidth = countWidth + width;
			});
		});
		//记录自动列数
		that.autoColNums = autoColNums; 
		
		//如果未填充满，则将剩余宽度平分。否则，给未设定宽度的列赋值一个默认宽
		(cntrWidth > countWidth && autoColNums) && (
			autoWidth = (cntrWidth - countWidth) / autoColNums
		);
		
		layui.each(options.cols, function(i1, item1){
			layui.each(item1, function(i2, item2){
				var minWidth = item2.minWidth || options.cellMinWidth;
				if(item2.colspan > 1) return;
				if(item2.width === 0){
					item2.width = Math.floor(autoWidth >= minWidth ? autoWidth : minWidth); //不能低于设定的最小宽度
				}
			});
		});
		
		//高度铺满：full-差距值
		if(options.height && /^full-\d+$/.test(options.height)){
			that.fullHeightGap = options.height.split('-')[1];
			options.height = _WIN.height() - that.fullHeightGap;
		}
	};
	
	//表格重载
	Class.prototype.reload = function(options){
		var that = this;
		if(that.config.data && that.config.data.constructor === Array) 
			delete that.config.data;
		that.config = $.extend({}, that.config, options);
		that.render();
	};
	
	//页码
  	Class.prototype.page = 1;
  	
  	//获得数据
  	Class.prototype.pullData = function(curr, loadIndex){
  		var that = this
  			,options = that.config
  			,request = options.request
  			,response = options.response
  			,sort = function(){
  				if(typeof options.initSort === 'object'){
  					that.sort(options.initSort.field, options.initSort.type);
  				}
  			};
  		
  		//渲染开始时间
  		that.startTime = new Date().getTime();
  		
  		if(options.url){ //Ajax请求
  			var params = {};
  			params[request.pageName] = curr;
  			params[request.limitName] = options.limit;
  			
  			$.ajax({
  				type: options.method || 'get'
  				,url: options.url
  				,data: $.extend(params, options.where)
  				,dataType: 'json'
  				,success: function(res){
  					if(res[response.statusName] != response.statusCode){
  						that.renderForm();
  						return that.layMain.html('<div class="'+ NONE +'">'+ (res[response.msgName] || '返回的数据状态异常') +'</div>');
  					}
  					that.renderData(res, curr, res[response.countName]), sort();
  					options.time = (new Date().getTime() - that.startTime) + ' ms'; //耗时（接口请求+视图渲染）
  					loadIndex && layer.close(loadIndex);
  					typeof options.done === 'function' && options.done(res, curr, res[response.countName]);
  				}
  				,error: function(e, m){
  					that.layMain.html('<div class="'+ NONE +'">数据接口请求异常</div>');
  					that.renderForm();
  					loadIndex && layer.close(loadIndex);
  				}
  			});
  			
  		}else if(options.data && options.data.constructor === Array){
  			var res = {}
  				,startLimit = curr*options.limit - options.limit;
  			res[response.dataName] = options.data.concat().splice(startLimit, options.limit);
  			res[response.countName] = options.data.length;
  			
  			that.renderData(res, curr, options.data.length), sort();
  			typeof options.done === 'function' && options.done(res, curr, res[response.countName]);
  		}
  	};
	
	//遍历表头
	Class.prototype.eachCols = function(callback){
		var cols = $.extend(true, [], this.config.cols)
			,arrs = [], index = 0;
		
		//重新整理表头结构
		layui.each(cols, function(i1, item1){
			layui.each(item1, function(i2, item2){
				//如果是组合列，则捕获对应的子列
				if(item2.colspan > 1){
					var childIndex = 0;
					index++;
					item2.CHILD_COLS = [];
					layui.each(cols[i1 + 1], function(i22, item22){
						if(item22.PARENT_COL || childIndex == item2.colspan) return;
						item22.PARENT_COL = index;
						item2.CHILD_COLS.push(item22);
						childIndex = childIndex + (item22.colspan > 1 ? item22.colspan : 1);
					});
				}
				//如果是子列，则不进行追加，因为已经存储在父列中
				if(item2.PARENT_COL) return; 
				arrs.push(item2)
			});
		});
		//重新遍历列，如果有子列，则进入递归
		var eachArrs = function(obj){
			layui.each(obj || arrs, function(i, item){
				if(item.CHILD_COLS) return eachArrs(item.CHILD_COLS);
				callback(i, item);
			});
		};
		
		eachArrs();
	};
	
	//格式化数据
	Class.prototype.treeData = function(data, tree, parentId, level){
		var that = this
			,options = that.config.tree
			,level = level || 0;
		if (Object.prototype.toString.call(data) != '[object Array]')
			data = [data];
		
		var items = [];
		$.each(data, function (_, item) {
			if (item[options.parentId] == parentId){
				item[options.treeLevel] = level;
				items.push(item);
			}
		});
		
		if (items.length > 0) {
			//console.log(items);
			items.sort(function (a, b) {
				var x = a[options.treeOrder],
					y = b[options.treeOrder];
				return x == y ? 0 : (x > y ? 1 : -1);
			});
			$.each(items, function (_, item) {
				tree.push(item);
				that.treeData(data, tree, item[options.treeId], level + 1);
			});
		}
	};
	
	//数据渲染
	Class.prototype.renderData = function(res, curr, count, sort){
		var that = this
			,options = that.config
			,data = []
			,trs = []
			,trs_fixed = []
			,trs_fixed_r = [];
		
		var remoteData = res[options.response.dataName] || [];
		if(that.config.treeSwitch){
			that.treeData(remoteData,data,options.tree.root,0);
		}else {
			data = remoteData;
		}
		
		//渲染视图
		var render = function(){
			if(!sort && that.sortKey){
				return that.sort(that.sortKey.field, that.sortKey.sort, true);
			}
			layui.each(data, function(i1, item1){
				var tds = [], tds_fixed = [], tds_fixed_r = []
					,numbers = i1 + options.limit*(curr - 1) + 1 //序号
					,tr_item = "treegrid-", tr_item_parent = "treegrid-parent-", tr_class = []; 
				
				tr_class.push(tr_item + item1[options.tree.treeId]);
				if(item1[options.tree.parentId]){
					tr_class.push(tr_item_parent + item1[options.tree.parentId]);
				}
				
				if(item1.length === 0) return;
				if(!sort){
					item1[table.config.indexName] = i1;
				}
				
				that.eachCols(function(i3, item3){
					var field = item3.field || i3, content = item1[field]
						,cell = that.getColElem(that.layHeader, field);
					
					if(content === undefined || content === null) content = '';
          			if(item3.colspan > 1) return;
          			
          			//td内容
          			var td = ['<td data-field="'+ field +'" '+ function(){
          					var attr = [];
          					if(item3.edit){
          						if(that.config.tree.treeColumn == i3){
          							hint.error("treegrid指定列不应许单元格编辑");
          							return;
          						}
          						attr.push('data-edit="'+ item3.edit +'"'); //是否允许单元格编辑
          					}
          					if(item3.align) attr.push('align="'+ item3.align +'"'); //对齐方式
          					if(item3.templet) attr.push('data-content="'+ content +'"'); //自定义模板
          					if(item3.toolbar) attr.push('data-off="true"'); //自定义模板
          					if(item3.event) attr.push('lay-event="'+ item3.event +'"'); //自定义事件
          					if(item3.style) attr.push('style="'+ item3.style +'"'); //自定义样式
          					if(item3.minWidth) attr.push('data-minwidth="'+ item3.minWidth +'"'); //单元格最小宽度
          					return attr.join(' ');
          				}() +'>'
          				,'<div class="layui-table-cell laytable-cell-'+ function(){ //返回对应的CSS类标识
          					var str = (options.index + '-' + field);
          					return item3.type === 'normal' ? str : (str + ' laytable-cell-' + item3.type);
          				}() +'">' + function(){
          					var tplData = $.extend(true, {
          						LAY_INDEX: numbers
          					}, item1);
          					
          					//渲染复选框列视图
          					if(item3.type === 'checkbox'){
          						return '<input type="checkbox" name="layTableCheckbox" lay-skin="primary" '+ function(){
          							var checkName = table.config.checkName;
          							//如果是全选
          							if(item3[checkName]){
          								item1[checkName] = item3[checkName];
          								return item3[checkName] ? 'checked' : '';
          							}
          							return tplData[checkName] ? 'checked' : '';
          						}() +'>';
          					} else if(item3.type === 'numbers'){ //渲染序号
          						return numbers;
          					}
          					
          					//解析工具列模板
          					if(item3.toolbar){
				                return laytpl($(item3.toolbar).html()||'').render(tplData);
				            }
          					
          					return item3.templet ? laytpl($(item3.templet).html() || String(content)).render(tplData) : content;
          				}()
          				,'</div></td>'].join('');
          				
          			tds.push(td);
          			if(item3.fixed && item3.fixed !== 'right') tds_fixed.push(td);
          			if(item3.fixed === 'right') tds_fixed_r.push(td);
				});
				
				trs.push('<tr data-index="'+ i1 +'" class="'+ tr_class.join(' ') +'">'+ tds.join('') + '</tr>');
				trs_fixed.push('<tr data-index="'+ i1 +'" class="'+ tr_class.join(' ') +'">'+ tds_fixed.join('') + '</tr>');
				trs_fixed_r.push('<tr data-index="'+ i1 +'" class="'+ tr_class.join(' ') +'">'+ tds_fixed_r.join('') + '</tr>');
			});
			
			that.layBody.scrollTop(0);
			that.layMain.find('.'+ NONE).remove();
			that.layMain.find('tbody').html(trs.join(''));
			that.layFixLeft.find('tbody').html(trs_fixed.join(''));
			that.layFixRight.find('tbody').html(trs_fixed_r.join(''));
			
			that.renderForm();
			that.syncCheckAll();
			that.haveInit ? that.scrollPatch() : setTimeout(function(){
		        that.scrollPatch();
		    }, 50);
		    that.haveInit = true;
		    layer.close(that.tipsIndex);
		};
		
		that.key = options.id || options.index;
		table.cache[that.key] = data; //记录数据
		
		//排序
		if(sort){
			return render();
		}
		
		if(data.length === 0){
			that.renderForm();
			that.layFixed.remove();
			that.layMain.find('tbody').html('');
			that.layMain.find('.'+ NONE).remove();
			return that.layMain.append('<div class="'+ NONE +'">无数据</div>');
		}
		
		render();
		
		//同步分页状态
		if(options.page){
			options.page = $.extend({
				elem: 'layui-table-page' + options.index
				,count: count
				,limit: options.limit
				,limits: options.limits || [10,20,30,40,50,60,70,80,90]
				,groups: 3
				,layout: ['prev', 'page', 'next', 'skip', 'count', 'limit']
				,prev: '<i class="layui-icon">&#xe603;</i>'
				,next: '<i class="layui-icon">&#xe602;</i>'
				,jump: function(obj, first){
					if(!first){
						//分页本身并非需要做以下更新，下面参数的同步，主要是因为其它处理统一用到了它们
						//而并非用的是 options.page 中的参数（以确保分页未开启的情况仍能正常使用）
						that.page = obj.curr; //更新页码
						options.limit = obj.limit; //更新每页条数
						
						that.pullData(obj.curr, that.loading());
					}
				}
			}, options.page);
			options.page.count = count; //更新总条数
			laypage.render(options.page);
		}
		//树形表格
		if(that.config.treeSwitch){
			that.initTree();
		}
	};
	
	
	
	//找到对应的列元素
	Class.prototype.getColElem = function(parent, field){
	    var that = this
	    ,options = that.config;
	    return parent.eq(0).find('.laytable-cell-'+ (options.index + '-' + field) + ':eq(0)');
	};
	
	//渲染表单
	Class.prototype.renderForm = function(type){
		form.render(type, 'LAY-table-'+ this.index);
	};
	
	//数据排序
	Class.prototype.sort = function(th, type, pull, formEvent){
	    var that = this
	    ,field
	    ,res = {}
	    ,options = that.config
	    ,filter = options.elem.attr('lay-filter')
	    ,data = table.cache[that.key], thisData;
	    
	    //字段匹配
	    if(typeof th === 'string'){
	      that.layHeader.find('th').each(function(i, item){
	        var othis = $(this)
	        ,_field = othis.data('field');
	        if(_field === th){
	          th = othis;
	          field = _field;
	          return false;
	        }
	      });
	    }
	
	    try {
	      var field = field || th.data('field');
	      
	      //如果欲执行的排序已在状态中，则不执行渲染
	      if(that.sortKey && !pull){
	        if(field === that.sortKey.field && type === that.sortKey.sort){
	          return;
	        }
	      }
	      
	      var elemSort = that.layHeader.find('th .laytable-cell-'+ options.index +'-'+ field).find(ELEM_SORT);
	      that.layHeader.find('th').find(ELEM_SORT).removeAttr('lay-sort'); //清除其它标题排序状态
	      elemSort.attr('lay-sort', type || null);
	      that.layFixed.find('th')
	    } catch(e){
	      return hint.error('Table modules: Did not match to field');
	    }
	    
	    //记录排序索引和类型
	    that.sortKey = {
	      field: field
	      ,sort: type
	    };
	
	    if(type === 'asc'){ //升序
	      thisData = layui.sort(data, field);
	    } else if(type === 'desc'){ //降序
	      thisData = layui.sort(data, field, true);
	    } else { //清除排序
	      thisData = layui.sort(data, table.config.indexName);
	      delete that.sortKey;
	    }
	    
	    res[options.response.dataName] = thisData;
	    that.renderData(res, that.page, that.count, true);
	    
	    if(formEvent){
	      layui.event.call(th, MOD_NAME, 'sort('+ filter +')', {
	        field: field
	        ,type: type
	      });
	    }
	};
	
	//请求loading
	Class.prototype.loading = function(){
	    var that = this
	    ,options = that.config;
	    if(options.loading && options.url){
	      return layer.msg('数据请求中', {
	        icon: 16
	        ,offset: [
	          that.elem.offset().top + that.elem.height()/2 - 35 - _WIN.scrollTop() + 'px'
	          ,that.elem.offset().left + that.elem.width()/2 - 90 - _WIN.scrollLeft() + 'px'
	        ]
	        ,time: -1
	        ,anim: -1
	        ,fixed: false
	      });
	    }
	};
	
	//同步选中值状态
	Class.prototype.setCheckData = function(index, checked){
	    var that = this
	    ,options = that.config
	    ,thisData = table.cache[that.key];
	    if(!thisData[index]) return;
	    if(thisData[index].constructor === Array) return;
	    thisData[index][options.checkName] = checked;
	};
	
	//同步全选按钮状态
	Class.prototype.syncCheckAll = function(){
		var that = this
			,options = that.config
			,checkAllElem = that.layHeader.find('input[name="layTableCheckbox"]')
			,syncColsCheck = function(checked){
				that.eachCols(function(i, item){
					if(item.type === 'checkbox'){
						item[options.checkName] = checked;
					}
				});
				return checked;
			};
		
		if(!checkAllElem[0]) return;
		
		if(table.checkStatus(that.key).isAll){
			if(!checkAllElem[0].checked){
		        checkAllElem.prop('checked', true);
		        that.renderForm('checkbox');
		    }
		    syncColsCheck(true);
		} else {
		    if(checkAllElem[0].checked){
			    checkAllElem.prop('checked', false);
			    that.renderForm('checkbox');
		    }
	    	syncColsCheck(false);
	    }
	};
	
	//获取cssRule
	Class.prototype.getCssRule = function(field, callback){
	    var that = this
	    ,style = that.elem.find('style')[0]
	    ,sheet = style.sheet || style.styleSheet || {}
	    ,rules = sheet.cssRules || sheet.rules;
	    layui.each(rules, function(i, item){
	      if(item.selectorText === ('.laytable-cell-'+ that.index +'-'+ field)){
	        return callback(item), true;
	      }
	    });
	};
	
	//铺满表格主体高度
	Class.prototype.fullSize = function(){
		var that = this
			,options = that.config
			,height = options.height
			, bodyHeight;
			
		if(that.fullHeightGap){
			height = _WIN.height() - that.fullHeightGap;
			if(height < 135) height = 135;
			that.elem.css('height', height);
		}
		
		//tbody区域高度
		bodyHeight = parseFloat(height) - parseFloat(that.layHeader.height()) - 1;  
		if(options.toolbar){
			bodyHeight = bodyHeight - that.layTool.outerHeight();
		}
		if(options.page){
			bodyHeight = bodyHeight - that.layPage.outerHeight() - 1;
		}
		that.layMain.css('height', bodyHeight);
	};
	
	//获取滚动条宽度
	Class.prototype.getScrollWidth = function(elem){
		var width = 0;
		if(elem){
	      width = elem.offsetWidth - elem.clientWidth;
	    } else {
	      elem = document.createElement('div');
	      elem.style.width = '100px';
	      elem.style.height = '100px';
	      elem.style.overflowY = 'scroll';
	
	      document.body.appendChild(elem);
	      width = elem.offsetWidth - elem.clientWidth;
	      document.body.removeChild(elem);
	    }
	    return width;
	};
	
	//滚动条补丁
	Class.prototype.scrollPatch = function(){
		var that = this
			,layMainTable = that.layMain.children('table')
			,scollWidth = that.layMain.width() - that.layMain.prop('clientWidth') //纵向滚动条宽度
			,scollHeight = that.layMain.height() - that.layMain.prop('clientHeight') //横向滚动条高度
			,getScrollWidth = that.getScrollWidth(that.layMain[0]) //获取主容器滚动条宽度，如果有的话
			,outWidth = layMainTable.outerWidth() - that.layMain.width(); //表格内容器的超出宽度
			
		//如果存在自动列宽，则要保证绝对填充满，并且不能出现横向滚动条
		if(that.autoColNums && outWidth < 5 && !that.scrollPatchWStatus){
			var th = that.layHeader.eq(0).find('thead th:last-child')
				,field = th.data('field');
			that.getCssRule(field, function(item){
				var width = item.style.width || th.outerWidth();
				item.style.width = (parseFloat(width) - getScrollWidth - outWidth) + 'px';
				
				//二次校验，如果仍然出现横向滚动条
				if(that.layMain.height() - that.layMain.prop('clientHeight') > 0){
					item.style.width = parseFloat(item.style.width) - 1 + 'px';
				}
				
				that.scrollPatchWStatus = true;
			});
		}
		
		if(scollWidth && scollHeight){
			if(!that.elem.find('.layui-table-patch')[0]){
		        var patchElem = $('<th class="layui-table-patch"><div class="layui-table-cell"></div></th>'); //补丁元素
		        patchElem.find('div').css({
		          width: scollWidth
		        });
		        that.layHeader.eq(0).find('thead tr').append(patchElem)
		    }
		} else {
	    	that.layHeader.eq(0).find('.layui-table-patch').remove();
	    }
		
		//固定列区域高度
		var mainHeight = that.layMain.height()
			,fixHeight = mainHeight - scollHeight;
			
		that.layFixed.find(ELEM_BODY).css('height', layMainTable.height() > fixHeight ? fixHeight : 'auto');
		
		//表格宽度小于容器宽度时，隐藏固定列
		that.layFixRight[outWidth > 0 ? 'removeClass' : 'addClass'](HIDE);
		
		//操作栏
		that.layFixRight.css('right', scollWidth - 1);
	};
	
	//事件处理
	Class.prototype.events = function(){
		var that = this
		    ,options = that.config
		    ,_BODY = $('body')
		    ,dict = {}
		    ,th = that.layHeader.find('th')
		    ,resizing
		    ,ELEM_CELL = '.layui-table-cell'
		    ,filter = options.elem.attr('lay-filter');
	
	    //拖拽调整宽度    
	    th.on('mousemove', function(e){
	      var othis = $(this)
	      ,oLeft = othis.offset().left
	      ,pLeft = e.clientX - oLeft;
	      if(othis.attr('colspan') > 1 || othis.data('unresize') || dict.resizeStart){
	        return;
	      }
	      dict.allowResize = othis.width() - pLeft <= 10; //是否处于拖拽允许区域
	      _BODY.css('cursor', (dict.allowResize ? 'col-resize' : ''));
	    }).on('mouseleave', function(){
	      var othis = $(this);
	      if(dict.resizeStart) return;
	      _BODY.css('cursor', '');
	    }).on('mousedown', function(e){
	      var othis = $(this);
	      if(dict.allowResize){
	        var field = othis.data('field');
	        e.preventDefault();
	        dict.resizeStart = true; //开始拖拽
	        dict.offset = [e.clientX, e.clientY]; //记录初始坐标
	        
	        that.getCssRule(field, function(item){
	          var width = item.style.width || othis.outerWidth();
	          dict.rule = item;
	          dict.ruleWidth = parseFloat(width);
	          dict.minWidth = othis.data('minwidth') || options.cellMinWidth;
	        });
	      }
	    });
	    //拖拽中
	    _DOC.on('mousemove', function(e){
	      if(dict.resizeStart){
	        e.preventDefault();
	        if(dict.rule){
	          var setWidth = dict.ruleWidth + e.clientX - dict.offset[0];
	          if(setWidth < dict.minWidth) setWidth = dict.minWidth;
	          dict.rule.style.width = setWidth + 'px';
	          layer.close(that.tipsIndex);
	        }
	        resizing = 1
	      }
	    }).on('mouseup', function(e){
	      if(dict.resizeStart){
	        dict = {};
	        _BODY.css('cursor', '');
	        that.scrollPatch();
	      }
	      if(resizing === 2){
	        resizing = null;
	      }
	    });
	    
	    //排序
	    th.on('click', function(){
	      var othis = $(this)
	      ,elemSort = othis.find(ELEM_SORT)
	      ,nowType = elemSort.attr('lay-sort')
	      ,type;
	
	      if(!elemSort[0] || resizing === 1) return resizing = 2;      
	      
	      if(nowType === 'asc'){
	        type = 'desc';
	      } else if(nowType === 'desc'){
	        type = null;
	      } else {
	        type = 'asc';
	      }
	      that.sort(othis, type, null, true);
	    }).find(ELEM_SORT+' .layui-edge ').on('click', function(e){
	      var othis = $(this)
	      ,index = othis.index()
	      ,field = othis.parents('th').eq(0).data('field')
	      layui.stope(e);
	      if(index === 0){
	        that.sort(field, 'asc', null, true);
	      } else {
	        that.sort(field, 'desc', null, true);
	      }
	    });
	    
	    //复选框选择
	    that.elem.on('click', 'input[name="layTableCheckbox"]+', function(){
	      var checkbox = $(this).prev()
	      ,childs = that.layBody.find('input[name="layTableCheckbox"]')
	      ,index = checkbox.parents('tr').eq(0).data('index')
	      ,checked = checkbox[0].checked
	      ,isAll = checkbox.attr('lay-filter') === 'layTableAllChoose';
	      
	      //全选
	      if(isAll){
	        childs.each(function(i, item){
	          item.checked = checked;
	          that.setCheckData(i, checked);
	        });
	        that.syncCheckAll();
	        that.renderForm('checkbox');
	      } else {
	        that.setCheckData(index, checked);
	        that.syncCheckAll();
	      }
	      layui.event.call(this, MOD_NAME, 'checkbox('+ filter +')', {
	        checked: checked
	        ,data: table.cache[that.key] ? (table.cache[that.key][index] || {}) : {}
	        ,type: isAll ? 'all' : 'one'
	      });
	    });
	    
	    //行事件
	    that.layBody.on('mouseenter', 'tr', function(){
	      var othis = $(this)
	      ,index = othis.index();
	      that.layBody.find('tr:eq('+ index +')').addClass(ELEM_HOVER)
	    }).on('mouseleave', 'tr', function(){
	      var othis = $(this)
	      ,index = othis.index();
	      that.layBody.find('tr:eq('+ index +')').removeClass(ELEM_HOVER)
	    });
	
	    //单元格编辑
	    that.layBody.on('change', '.'+ELEM_EDIT, function(e){
	      e.preventDefault();
	      var othis = $(this)
	      ,value = this.value
	      ,field = othis.parent().data('field')
	      ,index = othis.parents('tr').eq(0).data('index')
	      ,data = table.cache[that.key][index];
	      
	      data[field] = value; //更新缓存中的值
	      
	      layui.event.call(this, MOD_NAME, 'edit('+ filter +')', {
	        value: value
	        ,data: data
	        ,field: field
	        ,othis:othis.parents('tr').eq(0)
	        ,index: index
	      });
	    }).on('blur', '.'+ELEM_EDIT, function(){
	      var templet
	      ,othis = $(this)
	      ,field = othis.parent().data('field')
	      ,index = othis.parents('tr').eq(0).data('index')
	      ,data = table.cache[that.key][index];
	      that.eachCols(function(i, item){
	        if(item.field == field && item.templet){
	          templet = item.templet;
	        }
	      });
	      othis.siblings(ELEM_CELL).html(
	        templet ? laytpl($(templet).html() || this.value).render(data) : this.value
	      );
	      othis.parent().data('content', this.value);
	      othis.remove();
	    });
	    
	    //单元格事件
	    that.layBody.on('click', 'td', function(){
	      var othis = $(this)
	      ,field = othis.data('field')
	      ,editType = othis.data('edit')
	      ,elemCell = othis.children(ELEM_CELL);
	      
	      layer.close(that.tipsIndex);
	      if(othis.data('off')) return;
	      
	      //显示编辑表单
	      if(editType){
	        if(editType === 'select') { //选择框
	          //var select = $('<select class="'+ ELEM_EDIT +'" lay-ignore><option></option></select>');
	          //othis.find('.'+ELEM_EDIT)[0] || othis.append(select);
	        } else { //输入框
	          var input = $('<input class="layui-input '+ ELEM_EDIT +'">');
	          input[0].value = othis.data('content') || elemCell.text();
	          othis.find('.'+ELEM_EDIT)[0] || othis.append(input);
	          input.focus();
	        }
	        return;
	      }
	      
	      //如果出现省略，则可查看更多
	      if(elemCell.find('.layui-form-switch,.layui-form-checkbox')[0]) return; //限制不出现更多（暂时）
	      
	      if(Math.round(elemCell.prop('scrollWidth')) > Math.round(elemCell.outerWidth())){
	        that.tipsIndex = layer.tips([
	          '<div class="layui-table-tips-main" style="margin-top: -'+ (elemCell.height() + 16) +'px;'+ function(){
	            if(options.size === 'sm'){
	              return 'padding: 4px 15px; font-size: 12px;';
	            }
	            if(options.size === 'lg'){
	              return 'padding: 14px 15px;';
	            }
	            return '';
	          }() +'">'
	            ,elemCell.html()
	          ,'</div>'
	          ,'<i class="layui-icon layui-table-tips-c">&#x1006;</i>'
	        ].join(''), elemCell[0], {
	          tips: [3, '']
	          ,time: -1
	          ,anim: -1
	          ,maxWidth: (device.ios || device.android) ? 300 : 600
	          ,isOutAnim: false
	          ,skin: 'layui-table-tips'
	          ,success: function(layero, index){
	            layero.find('.layui-table-tips-c').on('click', function(){
	              layer.close(index);
	            });
	          }
	        });
	      }
	    });
	    
	    //工具条操作事件
	    that.layBody.on('click', '*[lay-event]', function(){
	      var othis = $(this)
	      ,index = othis.parents('tr').eq(0).data('index')
	      ,tr = that.layBody.find('tr[data-index="'+ index +'"]')
	      ,ELEM_CLICK = 'layui-table-click'
	      ,data = table.cache[that.key][index];
	      
	      layui.event.call(this, MOD_NAME, 'tool('+ filter +')', {
	        data: table.clearCacheKey(data)
	        ,event: othis.attr('lay-event')
	        ,tr: tr
	        ,del: function(){
	          table.cache[that.key][index] = [];
	          tr.remove();
	          that.scrollPatch();
	        }
	        ,update: function(fields){
	          fields = fields || {};
	          layui.each(fields, function(key, value){
	            if(key in data){
	              var templet, td = tr.children('td[data-field="'+ key +'"]');
	              data[key] = value;
	              that.eachCols(function(i, item2){
	                if(item2.field == key && item2.templet){
	                  templet = item2.templet;
	                }
	              });
	              td.children(ELEM_CELL).html(
	                templet ? laytpl($(templet).html() || value).render(data) : value
	              );
	              td.data('content', value);
	            }
	          });
	        }
	      });
	      tr.addClass(ELEM_CLICK).siblings('tr').removeClass(ELEM_CLICK);
	    });
	    
	    //同步滚动条
	    that.layMain.on('scroll', function(){
	      var othis = $(this)
	      ,scrollLeft = othis.scrollLeft()
	      ,scrollTop = othis.scrollTop();
	      
	      that.layHeader.scrollLeft(scrollLeft);
	      that.layFixed.find(ELEM_BODY).scrollTop(scrollTop);
	      
	      layer.close(that.tipsIndex);
	    });
	    
	    _WIN.on('resize', function(){ //自适应
	       that.fullSize();
	       that.scrollPatch();
	    });
	};
	
	/*---------------- Tree -----------------*/
	
	Class.prototype.initTree = function(){
		var that = this,
			trItems = table.tree.getRootNodes(that.elem);
			
		var initNodes =  function(othis){
			that.getChildNodes(othis).each(function(index,item){
				initNodes($(this));
			});
			that.initExpander(othis);
			that.initIndent(othis);
			that.initEvents(othis);
			that.initState(othis);
			that.initChangeEvent(othis);
			that.initSettingsEvents(othis);
		};
			
		layui.each(trItems,function(i1,trItem){
			initNodes($(this));
			that.treeRender($(this));
		});
	};
	
	Class.prototype.treeRender = function(othis){
		var that = this;
        //if parent colapsed we hidden
        if (that.isOneOfParentsCollapsed(othis)) {
            othis.hide();
        } else {
            othis.show();
        }
        if (!that.isLeaf(othis)) {
            that.renderExpander(othis);
            that.getChildNodes(othis).each(function(){
            	that.treeRender($(this));
            });
        }
	};
	
	Class.prototype.renderExpander = function(othis){
		var that = this
			,expander = table.tree.getExpander(othis);
        if (expander) {
            if (!that.isCollapsed(othis)) {
                expander.removeClass(that.config.tree.expanderCollapsedClass);
                expander.addClass(that.config.tree.expanderExpandedClass);
            } else {
                expander.removeClass(that.config.tree.expanderExpandedClass);
                expander.addClass(that.config.tree.expanderCollapsedClass);
            }
        } else {
        	that.initExpander(othis);
        	that.renderExpander(othis);
        }
	};
	
	Class.prototype.initEvents = function(othis){
		//Default behavior on 
		othis.on("collapse", function() {
            var $this = $(this);
            $this.removeClass('treegrid-expanded');
            $this.addClass('treegrid-collapsed');
        });
        //Default behavior on expand
        othis.on("expand", function() {
            var $this = $(this);
            $this.removeClass('treegrid-collapsed');
            $this.addClass('treegrid-expanded');
        });
	};
	
	Class.prototype.initChangeEvent = function(othis){
		var that = this;
		othis.on("change", function() {
            var $this = $(this);
            that.treeRender($this);
            if (that.config.tree.saveState) {
            	that.saveState($this);
            }
        });
	};
	
	Class.prototype.initSettingsEvents = function(othis){
		var that = this;
		
		//Save state on change
        othis.on("change", function() {
            var $this = $(this);
            if (typeof(that.config.tree.onChange) === "function") {
            	that.config.tree.onChange.apply($this,[table.cache[that.key][$this.eq(0).data('index')]]);
            }
        });
        //Default behavior on collapse
        othis.on("collapse", function() {
            var $this = $(this);
            if (typeof(that.config.tree.onCollapse) === "function") {
            	that.config.tree.onCollapse.apply($this,[table.cache[that.key][$this.eq(0).data('index')]]);
            }
        });
        //Default behavior on expand
        othis.on("expand", function() {
            var $this = $(this);
            if (typeof(that.config.tree.onExpand) === "function") {
            	that.config.tree.onExpand.apply($this,[table.cache[that.key][$this.eq(0).data('index')]]);
            }
        });
	};
	
	Class.prototype.initState = function(othis){
		var that = this;
		if(that.config.tree.saveState && !that.isFirstInit(othis)){
			that.restoreState(othis);
		}else{
			if(that.config.tree.initialState === 'expanded'){
				that.expand(othis);
			}else{
				that.collapse(othis);
			}
		}
	};
	
	Class.prototype.restoreState = function(othis){
		var that = this;
		if (that.config.tree.saveStateMethod === 'cookie') {
			var stateArrayString = $.cookie(that.config.tree.saveStateName) || '';
            var stateArray = stateArrayString.split(',');
            if ($.inArray(that.getNodeId(othis), stateArray) !== -1) {
            	that.expand(othis);
            } else {
            	that.collapse(othis);
            }
        }
	};
	
	Class.prototype.saveState = function(othis){
		var that = this;
		
		if (that.config.tree.saveStateMethod === 'cookie') {
            var stateArrayString = $.cookie(that.config.tree.saveStateName) || '';
            var stateArray = (stateArrayString === '' ? [] : stateArrayString.split(','));
            var nodeId = that.getNodeId(othis);

            if (that.isExpanded(othis)) {
                if ($.inArray(nodeId, stateArray) === -1) {
                    stateArray.push(nodeId);
                }
            } else if (that.isCollapsed(othis)) {
                if ($.inArray(nodeId, stateArray) !== -1) {
                    stateArray.splice($.inArray(nodeId, stateArray), 1);
                }
            }
            $.cookie(that.config.tree.saveStateName, stateArray.join(','));
        }
	};
	
	Class.prototype.initExpander = function(othis){
		var that = this
			,$this = othis;
        var cell = $this.find('td').eq(this.config.tree.treeColumn).find("div").get();
        var tpl = this.config.tree.expanderTemplate;
        var expander = table.tree.getExpander(othis);
        if (expander) {
            expander.remove();
        }
        $(tpl).prependTo(cell).click(function() {
        	that.toggle($($(this).closest('tr')));
        });
        return $this;
	};
	
	Class.prototype.initIndent = function(othis){
		var $this = othis;
        $this.find('.treegrid-indent').remove();
        var tpl = this.config.tree.indentTemplate;
        var expander = $this.find('.treegrid-expander');
        var depth = this.getDepth(othis);
        for (var i = 0; i < depth; i++) {
            $(tpl).insertBefore(expander);
        }
        return $this;
	};
	
	Class.prototype.isFirstInit = function(othis){
		var that = this
			,layMain = that.layMain;
		
		if(layMain.data('first_init') === undefined){
			if(that.config.tree.saveStateMethod === 'cookie'){
				if($.fn.cookie){
					layMain.data('first_init', $.cookie(that.config.tree.saveStateName) === undefined);
				}
			}
		}
		return layMain.data('first_init');
	};
	
	Class.prototype.isRoot = function(othis){
		return this.getDepth(othis) === 0;
	};
	
	Class.prototype.isLeaf = function(othis){
		return this.getChildNodes(othis).length === 0;
	};
	
	Class.prototype.isExpanded = function(othis){
		return othis.hasClass('treegrid-expanded');
	};
	
	Class.prototype.isCollapsed = function(othis){
		return othis.hasClass('treegrid-collapsed');
	};
	
	Class.prototype.isOneOfParentsCollapsed = function(othis){
		var that = this;
        if (that.isRoot(othis)) {
            return false;
        } else {
            if (that.isCollapsed(that.getParentNode(othis))) {
                return true;
            } else {
            	return that.isOneOfParentsCollapsed(that.getParentNode(othis));
            }
        }
	};
	
	Class.prototype.expand = function(othis){
		if(!this.isLeaf(othis) && !this.isExpanded(othis)){
			othis.trigger("expand");
            othis.trigger("change");
            return othis;
		}
		return this;
	};
	
	Class.prototype.expandAll = function(){
		var that = this;
		that.getRootNodes().each(function(i,item){
			that.expandRecursive($(this));
		});
	};
	
	Class.prototype.expandRecursive = function(othis){
		var that = this;
		that.expand(othis);
		if(!that.isLeaf(othis)){
			that.getChildNodes(othis).each(function(i,item){
				that.expandRecursive($(this));
			});
		}
	};
	
	Class.prototype.collapse = function(othis){
		if(!this.isLeaf(othis) && !this.isCollapsed(othis)){
            othis.trigger("collapse");
            othis.trigger("change");
        }
	};
	
	Class.prototype.collapseAll = function(){
		var that = this;
		that.getRootNodes().each(function(i,item){
			that.collapseRecursive($(this));
		});
	};
	
	Class.prototype.collapseRecursive = function(othis){
		var that = this;
		that.collapse(othis);
		if(!that.isLeaf(othis)){
			that.getChildNodes(othis).each(function(i,item){
				that.collapseRecursive($(this));
			});
		}
	};
	
	Class.prototype.toggle = function(othis){
		var that = this;
		if(that.isExpanded(othis)){
			that.collapse(othis);
		} else {
			that.expand(othis);
		}
		return othis;
	};
	
	Class.prototype.getParentNodeId = function(othis){
		return table.tree.getParentNodeId(othis);
	};
	
	Class.prototype.getParentNode = function(othis){
		if(this.getParentNodeId(othis) === null){
			return null;
		}else{
			return table.tree.getNodeById(this.getParentNodeId(othis),this.layMain);
		}
	};
	
	Class.prototype.getDepth = function(othis){
		if(this.getParentNode(othis) === null){
			return 0;
		}
		var $this = this.getParentNode(othis);
		return this.getDepth($this) + 1;
	};
	
	Class.prototype.getRootNodes = function(){
		return table.tree.getRootNodes(this.layMain);
	};
	
	Class.prototype.getAllNodes = function(){
		return table.tree.getAllNodes(this.layMain);
	};
	
	Class.prototype.isNode = function(){
		return this.getNodeId() !== null;
	};
	
	Class.prototype.getChildNodes = function(othis){
		return table.tree.getChildNodes(this.getNodeId(othis),this.layMain);
	};
	
	Class.prototype.getNodeId = function(othis){
		if(table.tree.getNodeId(othis) == null){
			return null;
		} else {
			return table.tree.getNodeId(othis);
		}
	};
	
	table.tree = {
		getExpander: function(othis) {
            return othis.find('.treegrid-expander');
        },
        getNodeId: function(othis) {
            var template = /treegrid-([A-Za-z0-9_-]+)/;
            if (template.test(othis.attr('class'))) {
                return template.exec(othis.attr('class'))[1];
            }
            return null;
        },
        getParentNodeId: function(othis) {
            var template = /treegrid-parent-([A-Za-z0-9_-]+)/;
            if (template.test(othis.attr('class'))) {
                return template.exec(othis.attr('class'))[1];
            }
            return null;
        },
        getNodeById: function(id, treegridContainer) {
            var templateClass = "treegrid-" + id;
            return treegridContainer.find('tr.' + templateClass);
        },
        getChildNodes: function(id, treegridContainer) {
            var templateClass = "treegrid-parent-" + id;
            return treegridContainer.find('tr.' + templateClass);
        },
        getTreeGridContainer: function() {
            return $(this).closest('table');
        },
        getRootNodes: function(treegridContainer) {
            var result = $.grep(treegridContainer.find('tr'), function(element) {
                var classNames = $(element).attr('class');
                var templateClass = /treegrid-([A-Za-z0-9_-]+)/;
                var templateParentClass = /treegrid-parent-([A-Za-z0-9_-]+)/;
                return templateClass.test(classNames) && !templateParentClass.test(classNames);
            });
            return $(result);
        },
        getAllNodes: function(treegridContainer) {
            var result = $.grep(treegridContainer.find('tr'), function(element) {
                var classNames = $(element).attr('class');
                var templateClass = /treegrid-([A-Za-z0-9_-]+)/;
                return templateClass.test(classNames);
            });
            return $(result);
        }
	};
	
	/*---------------- Tree End -----------------*/
	
	//初始化Table
	table.init = function(filter, settings){
		settings = settings || {};
		var that = this
			,elemTable = filter ? $('table[lay-filter="'+ filter +'"]') : $(ELEM + '[lay-data]')
			,errorTips = 'Table element property lay-data configuration item has a syntax error: ';
		
		//遍历数据表格
		elemTable.each(function(){
			var othis = $(this)
				,tableData = othis.attr('lay-data');
			
			try{
				tableData = new Function('return '+ tableData)();
			}catch(e){
				hint.error(errorTips + tableData);
			}
			
			var cols = [],
				options = $.extend({
					elem: this
					,cols: []
					,data: []
					,skin: othis.attr('lay-skin') //风格
					,size: othis.attr('lay-size') //尺寸
					,even: typeof othis.attr('lay-even') === 'string' //偶数行背景
				}, table.config, settings, tableData);
			
			filter && othis.hide();
			
			//获取表头数据
			othis.find('thead>tr').each(function(i){
				options.cols[i] = [];
				$(this).children().each(function(ii){
					var th = $(this)
						,itemData = th.attr('lay-data');
					
					try{
						itemData = new Function('return '+ itemData)();
					}catch(e){
						return hint.error(errorTips + itemData)
					}
					
					var row = $.extend({
						title: th.text()
						,colspan: th.attr('colspan') || 0 //列单元格
						,rowspan: th.attr('rowspan') || 0 //行单元格
					},itemData);
					
					if(row.colSpan < 2)
						cols.push(row);

					options.cols[i].push(row);
				});
			});
			
			//获取表体数据
			othis.find('tbody>tr').each(function(i1){
				var tr = $(this), row = {};
				//如果定义了字段名
				tr.children('td').each(function(i2, item2){
					var td = $(this)
						,field = td.data('field');
					
					if(field){
						return row[field] = td.html();
					}
				});
				
				//如果未定义字段名
				layui.each(cols, function(i3, item3){
					var td = tr.children('td').eq(i3);
					row[item3.field] = td.html();
				});
				options.data[i1] = row;
			});
			table.render(options);
		});
		
		return that;
	};
	
	//表格选中状态
	table.checkStatus = function(id){
		var nums = 0
			,invalidNum = 0
			,arr = []
			,data = table.cache[id] || [];
		
		//计算全选个数
		layui.each(data, function(i, item){
			if(item.constructor === Array){
				invalidNum++; //无效数据，或已删除的
				return;
			}
			if(item[table.config.checkName]){
				nums++;
				arr.push(table.clearCacheKey(item));
			}
		});
		return {
		    data: arr //选中的数据
		    ,isAll: data.length ? (nums === (data.length - invalidNum)) : false //是否全选
	    };
	};
	
	//表格重载
	thisTable.config = {};
	
	table.reload = function(id, options){
		var config = thisTable.config[id];
		options = options || {};
		if(!config) return hint.error('The ID option was not found in the table instance');
		if(options.data && options.data.constructor === Array) delete config.data;
		return table.render($.extend(true, {}, config, options));
	};
	
	//核心入口
	table.render = function(options){
		var inst = new Class(options);
		return thisTable.call(inst);
	};
	
	//清除临时Key
	table.clearCacheKey = function(data){
		data = $.extend({}, data);
		delete data[table.config.checkName];
		delete data[table.config.indexName];
		return data;
	};
	
	layui.addcss('modules/grid/grid.css');
	
	//自动完成渲染
	table.init();
	
	exports(MOD_NAME, table);
});